B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 15/14 (2006.01) B05D 1/16 (2006.01) B32B 37/24 (2006.01)
Patent
CA 2480689
Disclosed are devices and methods for producing cored composite materials (sandwich structures) comprising at least one first and at least one second coating (1, 2), between which a core layer (central layer) (30) containing short-cut fibers (9) is arranged. Said devices and methods make it possible to produce in an essentially uninterrupted manner, resulting in relatively inexpensive composite materials. In addition, individual production parameters can be specifically modified by means of different embodiments such that composite materials which have the desired physical properties, e.g. regarding the firmness, stiffness, flexibility, mechanical and acoustic absorbing capacity, processability, etc. thereof as well as composite materials used for new applications can be produced in a relatively simple manner.
L'invention concerne des dispositifs et procédés de production de matières composites (panneaux sandwich) comprenant au moins une première couche de recouvrement (1), au moins une deuxième couche de recouvrement (2) et, intercalée entre ces deux couches, une couche âme (couche centrale) (30) présentant des fibres (9) notamment coupées courtes. Ces dispositifs et procédés permettent de réaliser une production continue et sensiblement sans interruption et donc, d'obtenir des matériaux composites relativement économiques. De plus, différentes formes de construction permettent de modifier de façon ciblée différents paramètres de production de telle manière que l'on puisse produire, de façon relativement simple, des matériaux composites ayant des propriétés physiques souhaitées, par exemple, en ce qui concerne leur résistance, rigidité, flexibilité, capacité d'absorption mécanique et acoustique, aptitude au façonnage etc. L'invention concerne également les utilisations de ces matériaux.
Finckh Hermann
Karlsson Jerry
Planck Heinrich
Stegmaier Thomas
Dennison Associates
Hssa Sweden Ab
Lamera Ab
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